<template>
    <a-form-item
      :class="{
        [widget.options.customClass]: widget.options.customClass?true: false
      }"
      :key="widget.key"
    >
      <span>
        <template v-if="widget.type == 'blank'">
          <div :style="{width: isTable ? '100%' : widget.options.width}">
            <slot :name="widget.model" :model="dataModels"></slot>
          </div>
          
        </template>

        <template v-if="widget.type == 'input'" >
          <a-input 
            v-if="widget.options.dataType == 'number' || widget.options.dataType == 'integer' || widget.options.dataType == 'float'"
            :type="widget.options.dataType"
            :disabled="!edit || widget.options.disabled"
            :placeholder="widget.options.placeholder"
            :show-password="widget.options.showPassword"
            :style="{width: isTable ? '100%' : widget.options.width}"
            v-model="dataModel"
          ></a-input>
          <a-input 
            v-else
            :type="widget.options.dataType"
            :disabled="!edit || widget.options.disabled"
            :placeholder="widget.options.placeholder"
            :show-password="widget.options.showPassword"
            :style="{width: isTable ? '100%' : widget.options.width}"
            v-model="dataModel"
          ></a-input>
        </template>

        <template v-if="widget.type == 'textarea'">

          <a-textarea
            v-model="dataModel"
            :disabled="!edit || widget.options.disabled"
            :placeholder="widget.options.placeholder"
            :style="{width: isTable ? '100%' : widget.options.width}"
          >
          </a-textarea>
        </template>

        <template v-if="widget.type == 'number'">

          <a-input-number
            v-model="dataModel"
            :style="{width: isTable ? '100%' : widget.options.width}"
            :step="widget.options.step"
            controls-position="right"
            :disabled="!edit || widget.options.disabled"
            :min="widget.options.min"
            :max="widget.options.max"
          >
          </a-input-number>
        </template>

        <template v-if="widget.type == 'radio'">
          <a-radio-group
            :style="{width: isTable ? '100%' : widget.options.width}"
            :disabled="!edit || widget.options.disabled"
            v-model="dataModel"
          >
            <a-radio
              style="line-height: 30px;"
              :style="{display: widget.options.inline ? 'inline-block' : 'block'}"
              :value="item.value" v-for="(item, index) in (widget.options.remote ? remoteOptions : widget.options.options)" :key="index"
            >
              <template v-if="widget.options.remote">{{item.label}}</template>
              <template v-else>{{widget.options.showLabel ? item.label : item.value}}</template>
            </a-radio>
          </a-radio-group>
        </template>

        <template v-if="widget.type == 'checkbox'">
          <a-checkbox-group 
            v-model="dataModel"
            :style="{width: isTable ? '100%' : widget.options.width}"
            :disabled="!edit || widget.options.disabled"
          >
            <a-checkbox
              style="line-height: 30px;"
              :style="{display: widget.options.inline ? 'inline-block' : 'block'}"
              :value="item.value" v-for="(item, index) in (widget.options.remote ? remoteOptions : widget.options.options)" :key="index"
            >
              <template v-if="widget.options.remote">{{item.label}}</template>
              <template v-else>{{widget.options.showLabel ? item.label : item.value}}</template>
            </a-checkbox>
          </a-checkbox-group>
        </template>

        <template v-if="widget.type == 'time'">
          <a-time-picker 
            v-model="dataModel"
            :is-range="widget.options.isRange"
            :placeholder="widget.options.placeholder"
            :start-placeholder="widget.options.startPlaceholder"
            :end-placeholder="widget.options.endPlaceholder"
            :readonly="widget.options.readonly"
            :disabled="!edit || widget.options.disabled"
            :editable="widget.options.editable"
            :clearable="widget.options.clearable"
            :arrowControl="widget.options.arrowControl"
            :value-format="widget.options.format"
            :format="widget.options.format"
            :style="{width: isTable ? '100%' : widget.options.width}"
          >
          </a-time-picker>
        </template>

        <template v-if="widget.type=='date'">
          <a-date-picker
            v-model="dataModel"
            :type="widget.options.type"
            :mode="widget.options.type"
            :placeholder="widget.options.placeholder"
            :start-placeholder="widget.options.startPlaceholder"
            :end-placeholder="widget.options.endPlaceholder"
            :readonly="widget.options.readonly"
            :disabled="!edit || widget.options.disabled"
            :editable="widget.options.editable"
            :clearable="widget.options.clearable"
            :value-format="widget.options.timestamp ? 'timestamp' : widget.options.format"
            :format="widget.options.format"
            :style="{width: isTable ? '100%' : widget.options.width}"
          >
          </a-date-picker>
        </template>

        <template v-if="widget.type =='rate'">
          <a-rate 
            v-model="dataModel"
            :count="widget.options.max"
            :disabled="!edit || widget.options.disabled"
            :allow-half="widget.options.allowHalf"
            :show-score="widget.options.showScore"
          ></a-rate>
        </template>

        <template v-if="widget.type == 'color'">
          <div :style="{width: isTable ? '100%' : widget.options.width, color: '#999'}">
            Not currently supported.
          </div>
        </template>

        <template v-if="widget.type == 'select'">
          <a-select
            v-model="dataModel"
            :disabled="!edit || widget.options.disabled"
            :mode="widget.options.multiple ? 'multiple' : 'default'"
            :allow-clear="widget.options.clearable"
            :placeholder="widget.options.placeholder"
            :style="{width: isTable ? '100%' : widget.options.width}"
            :show-search="widget.options.filterable"
          >
            <a-select-option v-for="item in (widget.options.remote ? remoteOptions : widget.options.options)" :key="item.value" :value="item.value" >
              {{widget.options.showLabel || widget.options.remote?item.label:item.value}}
            </a-select-option>
          </a-select>
        </template>

        <template v-if="widget.type=='switch'">
          <a-switch
            v-model="dataModel"
            :default-checked="dataModel"
            :disabled="!edit || widget.options.disabled"
          >
          </a-switch>
        </template>

        <template v-if="widget.type=='slider'">
          <a-slider 
            v-model="dataModel"
            :min="widget.options.min"
            :max="widget.options.max"
            :disabled="!edit || widget.options.disabled"
            :step="widget.options.step"
            :show-input="widget.options.showInput"
            :range="widget.options.range"
            :style="{width: isTable ? '100%' : widget.options.width}"
          ></a-slider>
        </template>

        <template v-if="widget.type=='imgupload'">
          <fm-upload
            v-model="dataModel"
            :disabled="!edit || widget.options.disabled"
            :readonly="widget.options.readonly"
            :style="{'width': isTable ? '100%' : widget.options.width}"
            :width="widget.options.size.width"
            :height="widget.options.size.height"
            :token="widget.options.token"
            :domain="widget.options.domain"
            :multiple="widget.options.multiple"
            :limit="widget.options.limit"
            :is-qiniu="widget.options.isQiniu"
            :is-delete="widget.options.isDelete"
            :min="widget.options.min"
            :is-edit="widget.options.isEdit"
            :action="widget.options.action"
            ui="antd"
          >
          </fm-upload>
        </template>

        <template v-if="widget.type == 'editor'">
          <fm-editor
            v-model="dataModel"
            :sty="{width: isTable ? '100%' : widget.options.width, cursor: (!edit || widget.options.disabled) ? 'no-drop' : '', backgroundColor: (!edit || widget.options.disabled) ? '#F5F7FA' : ''}"
            :toolbar="widget.options.customToolbar"
            :disabled="!edit || widget.options.disabled"
            ui="antd"
          >
          </fm-editor>
        </template>

        <template v-if="widget.type == 'cascader'">
          <a-cascader
            v-model="dataModel"
            :disabled="!edit || widget.options.disabled"
            :allow-clear="widget.options.clearable"
            :placeholder="widget.options.placeholder"
            :style="{width: isTable ? '100%' : widget.options.width}"
            :options="remoteOptions"
          >

          </a-cascader>
        </template>

        <template v-if="widget.type == 'text'">
          <span>{{dataModel}}</span>
        </template>

        <template v-if="widget.type == 'html'">
          <span v-html="dataModel"></span>
        </template>

        <template v-if="widget.type == 'fileupload'">
          <fm-file-upload
            v-model="dataModel"
            :action="widget.options.action"
            :width="isTable ? '100%' : widget.options.width"
            :disabled="!edit || widget.options.disabled"
            :limit="widget.options.limit"
            :tip="widget.options.tip"
            ui="antd"
          ></fm-file-upload>
        </template>
      </span>
    </a-form-item>
  
</template>

<script>
import FmFileUpload from '../Upload/file'
import FmEditor from '../Editor'
import FmUpload from '../Upload'

export default {
  components: {
    FmFileUpload,
    FmEditor,
    FmUpload,
  },
  props: ['widget', 'models', 'rules', 'remote', 'blanks', 'edit', 'remoteOption'],
  data () {
    return {
      
      dataModel: this.models[this.widget.model],
      dataModels: this.models,
      remoteOptions: [],
      isTable: true
    }
  },
  created () {
    this.remoteOptions = []

    if (this.widget.options.remote 
      && (Object.keys(this.widget.options).indexOf('remoteType') >= 0 ? this.widget.options.remoteType == 'func' : true)
      && this.remote[this.widget.options.remoteFunc]) {

      this.remote[this.widget.options.remoteFunc]((data) => {
        this.loadOptions(data)
      })
    }

    if (this.widget.options.remote 
      && this.widget.options.remoteType == 'option' 
      && this.remoteOption[this.widget.options.remoteOption]) {
      
      this.loadOptions(this.remoteOption[this.widget.options.remoteOption])
    }

    if (this.widget.type === 'imgupload' && this.widget.options.isQiniu) {
      
      this.remote[this.widget.options.tokenFunc]((data) => {
        this.widget.options.token = data
      })
    }
  },
  methods: {
    loadOptions (data) {
      this.remoteOptions = data.map(item => {
        
        if (this.widget.options.props.children && this.widget.options.props.children.length && Object.keys(item).includes(this.widget.options.props.children)) {
          return {
            value: item[this.widget.options.props.value],
            label: item[this.widget.options.props.label],
            children: this.processRemoteProps(item[this.widget.options.props.children], this.widget.options.props)
          }
        } else {
          return {
            value: item[this.widget.options.props.value],
            label: item[this.widget.options.props.label]
          }
        }
        
      })
    },
    processRemoteProps (children, props) {
      if (children && children.length) {
        return children.map(item => {
          if (this.processRemoteProps(item[props.children], props).length) {
            return {
              value: item[props.value],
              label: item[props.label],
              children: this.processRemoteProps(item[props.children], props)
            }
          } else{
            return {
              value: item[props.value],
              label: item[props.label],
            }
          }
        })
      } else {
        return []
      }
    }
  },
  watch: {
    dataModel: {
      deep: true,
      handler (val) {
        this.models[this.widget.model] = val
        this.$emit('update:models', {
          ...this.models,
          [this.widget.model]: val
        })
      }
    },
    models: {
      deep: true,
      handler (val) {
        this.dataModel = val[this.widget.model]
        this.dataModels = val
      }
    },
    'remoteOption': {
      deep: 'true',
      handler: function (val) {
        
        if (Object.keys(this.remoteOption).indexOf(this.widget.options.remoteOption) >= 0
          && this.widget.options.remote 
          && this.widget.options.remoteType == 'option' 
        ) {
          this.loadOptions(this.remoteOption[this.widget.options.remoteOption])
        }
      }
    }
  }
}
</script>
